131302 ELECTROMAGNETIC THEORY 3 1 0 4
AIM
This subject aims to provide the student an understanding of the fundamentals of
electromagnetic fields and their applications in Electrical Engineering.
OBJECTIVES
To impart knowledge on
i. Concepts of electrostatics, electrical potential, energy density and their
applications.
ii. Concepts of magnetostatics, magnetic flux density, scalar and vector
potential and its applications.
iii. Faraday’s laws, induced emf and their applications.
iv. Concepts of electromagnetic waves and Poynting vector.
1. INTRODUCTION 8
Sources and effects of electromagnetic fields – Vector fields – Different co-ordinate
systems- vector calculus – Gradient, Divergence and Curl - Divergence theorem –
Stoke’s theorem.
2. ELECTROSTATICS 10
Coulomb’s Law – Electric field intensity – Field due to point and continuous charges –
Gauss’s law and application – Electric potential – Electric field and equipotential plots –
Electric field in free space, conductors, dielectric -Dielectric polarization - Dielectric
strength - Electric field in multiple dielectrics – Boundary conditions, Poisson’s and
Laplace’s equations – Capacitance- Energy density.
3. MAGNETOSTATICS 9
Lorentz Law of force, magnetic field intensity – Biot–savart Law - Ampere’s Law –
Magnetic field due to straight conductors, circular loop, infinite sheet of current –
Magnetic flux density (B) – B in free space, conductor, magnetic materials –
Magnetization – Magnetic field in multiple media – Boundary conditions – Scalar and
vector potential – Magnetic force – Torque – Inductance – Energy density – Magnetic
circuits.
4. ELECTRODYNAMIC FIELDS 8
Faraday’s laws, induced emf – Transformer and motional EMF – Forces and Energy in
quasi-stationary Electromagnetic Fields - Maxwell’s equations (differential and integral
forms) – Displacement current – Relation between field theory and circuit theory.
5. ELECTROMAGNETIC WAVES 9
Generation – Electro Magnetic Wave equations – Wave parameters; velocity, intrinsic
impedance, propagation constant – Waves in free space, lossy and lossless dielectrics,
conductors-skin depth, Poynting vector – Plane wave reflection and refraction –
Transmission lines – Line equations – Input impedances – Standing wave ratio and
power.
L = 45 T = 15 Total : 60 Periods7
TEXT BOOKS
1. Mathew N. O. SADIKU, ‘Elements of Electromagnetics’, Oxford University press
Inc. First India edition, 2007.
2. Ashutosh Pramanik, ‘Electromagnetism – Theory and Applications’, Prentice-Hall
of India Private Limited, New Delhi, 2006.
REFERENCE BOOKS
1. Joseph. A.Edminister, ‘Theory and Problems of Electromagnetics’, Second
edition, Schaum Series, Tata McGraw Hill, 1993.
2. William .H.Hayt, ‘Engineering Electromagnetics’, Tata McGraw Hill edition, 2001.
3. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International
Editions, Fifth Edition, 1999.8
AIM
This subject aims to provide the student an understanding of the fundamentals of
electromagnetic fields and their applications in Electrical Engineering.
OBJECTIVES
To impart knowledge on
i. Concepts of electrostatics, electrical potential, energy density and their
applications.
ii. Concepts of magnetostatics, magnetic flux density, scalar and vector
potential and its applications.
iii. Faraday’s laws, induced emf and their applications.
iv. Concepts of electromagnetic waves and Poynting vector.
1. INTRODUCTION 8
Sources and effects of electromagnetic fields – Vector fields – Different co-ordinate
systems- vector calculus – Gradient, Divergence and Curl - Divergence theorem –
Stoke’s theorem.
2. ELECTROSTATICS 10
Coulomb’s Law – Electric field intensity – Field due to point and continuous charges –
Gauss’s law and application – Electric potential – Electric field and equipotential plots –
Electric field in free space, conductors, dielectric -Dielectric polarization - Dielectric
strength - Electric field in multiple dielectrics – Boundary conditions, Poisson’s and
Laplace’s equations – Capacitance- Energy density.
3. MAGNETOSTATICS 9
Lorentz Law of force, magnetic field intensity – Biot–savart Law - Ampere’s Law –
Magnetic field due to straight conductors, circular loop, infinite sheet of current –
Magnetic flux density (B) – B in free space, conductor, magnetic materials –
Magnetization – Magnetic field in multiple media – Boundary conditions – Scalar and
vector potential – Magnetic force – Torque – Inductance – Energy density – Magnetic
circuits.
4. ELECTRODYNAMIC FIELDS 8
Faraday’s laws, induced emf – Transformer and motional EMF – Forces and Energy in
quasi-stationary Electromagnetic Fields - Maxwell’s equations (differential and integral
forms) – Displacement current – Relation between field theory and circuit theory.
5. ELECTROMAGNETIC WAVES 9
Generation – Electro Magnetic Wave equations – Wave parameters; velocity, intrinsic
impedance, propagation constant – Waves in free space, lossy and lossless dielectrics,
conductors-skin depth, Poynting vector – Plane wave reflection and refraction –
Transmission lines – Line equations – Input impedances – Standing wave ratio and
power.
L = 45 T = 15 Total : 60 Periods7
TEXT BOOKS
1. Mathew N. O. SADIKU, ‘Elements of Electromagnetics’, Oxford University press
Inc. First India edition, 2007.
2. Ashutosh Pramanik, ‘Electromagnetism – Theory and Applications’, Prentice-Hall
of India Private Limited, New Delhi, 2006.
REFERENCE BOOKS
1. Joseph. A.Edminister, ‘Theory and Problems of Electromagnetics’, Second
edition, Schaum Series, Tata McGraw Hill, 1993.
2. William .H.Hayt, ‘Engineering Electromagnetics’, Tata McGraw Hill edition, 2001.
3. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International
Editions, Fifth Edition, 1999.8
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